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SubjectRe: seqlock/unlock(&xtime_lock) problems cause keyboard, time skew problems
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On Tue, 2003-03-18 at 12:59, Jerry Cooperstein wrote:
> On Tue, Mar 18, 2003 at 12:32:24PM -0800, Stephen Hemminger wrote:
> > On Tue, 2003-03-18 at 11:05, Jerry Cooperstein wrote:
> > > Since 2.5.60 my thinkpad keyboard repeat rate has been erratic when
> ....
>
> >
> > Does this notebook vary the clock rate? If so then using TSC for
> > time of day clock is probably a problem. Try booting with notsc.
>
> Yes the notebook varies the clock rate -- its about 150MHZ with
> batter power, 500 MHZ on AC.

Part of the problem may be that the clock rate can change but the
cpu frequency code can't support the Intel SpeedStep.

Maybe, someone with more direct experience with laptop's can help.

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